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All Journal Kurva S : Jurnal Keilmuan dan Aplikasi Teknik Sipil SENTRI: Jurnal Riset Ilmiah
Nugraha, Achmad Jaya Adhi
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Aerospace Engineering Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Economics, Econometrics & Finance Law, Crime, Criminology & Criminal Justice

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Perbandingan Estimasi Rencana Anggaran Biaya (RAB) Antara Metode AHSP Dengan BOW Proyek Rekonstruksi Jalan Patung Lembuswana – Sebulu Sina, Maria Trivonia Sedo; Findia, Findia; Nugraha, Achmad Jaya Adhi
Kurva S : Jurnal Keilmuan dan Aplikasi Teknik Sipil Vol 11, No 3 (2023)
Publisher : Department of Architecture, Faculty of Engineering

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31293/teknikd.v11i3.8384

Abstract

Rencana Anggaran Biaya adalah menghitung berapa besar estimasi biaya yang akan di perlukan dalam sebuah proyek, meliputi biaya untuk bahan, alat dan upah dan biaya lainnya. Anggaran biaya dalam proyek perlu diperhitungkan dengan baik agar menghasilkan nilai estimasi yang lebih efisien dan ekonomis. Dalam perencanaan anggaran biaya meliputi analisa komponen pada upah, bahan dan alat untuk menyelesaikan setiap item pekerjaan. Pengembangan meliputi perencanaan dan pelaksanaan adalah dua hal yang saling terkait. Perencanaan bertumpu pada pengaturan sumber daya seperti tenaga kerja, peralatan, bahan, biaya dan waktu. Sedangkan pelaksanaan menyelenggarakan pembangunan agar berjalan dengan waktu yang tepat, kualitas bangunan yang baik dengan biaya yang efisien . Untuk memperoleh keberhasilan dalam kedua hal tersebut, salah satunya adalah dengan dukungan analisis biaya yang baik. Dalam memperkirakan biaya yang dibutuhkan, perlu adanya perhitungan yang matang.
Analisa Penyebab Kegagalan Proyek Ditinjau dari kinerja Waktu, Biaya, dan Mutu Rio, Muhammad; Findia, Findia; Nugraha, Achmad Jaya Adhi
SENTRI: Jurnal Riset Ilmiah Vol. 5 No. 1 (2026): SENTRI : Jurnal Riset Ilmiah, Januari 2026
Publisher : LPPM Institut Pendidikan Nusantara Global

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55681/sentri.v5i1.5458

Abstract

The success of construction projects is commonly assessed by achieving time, cost, and quality targets, whereas failure appears as delays, cost overruns, and noncompliance with technical specifications. Based on construction project management concepts and the time–cost–quality trade-off, this study aims to identify factors influencing the risk of failing to achieve time, cost, and quality objectives in construction projects located in Samarinda City, Kutai Barat Regency, and Mahakam Ulu Regency, and to determine the most dominant factor. A descriptive approach with a survey method was applied to 36 respondents selected using random sampling. The independent variables comprise time, cost, and quality performance, while the dependent variable is project failure. Data were collected through questionnaires and analyzed using Pearson validity tests, Cronbach’s Alpha reliability tests, and percentage calculations of each aspect’s contribution. The results indicate that all items of time (7 items), cost (13 items), and quality (6 items) performance are valid, with correlation coefficients exceeding the critical value of 0.329 and significance levels below 0.05, and reliable, with alpha values of 0.821, 0.901, and 0.849, respectively. The analysis of failure factors reveals that the cost aspect is the most dominant contributor at 50%, followed by quality at 44%, while time contributes 36%. These findings emphasize the need to prioritise budget control and quality assurance systems, supported by effective time management, to reduce the risk of construction project failure in East Kalimantan.
Co-Authors Findia, Findia Rio, Muhammad Sina, Maria Trivonia Sedo